package utl.mofen.servlet;

import java.io.IOException;

import javax.servlet.Filter;   
import javax.servlet.FilterChain;   
import javax.servlet.FilterConfig;   
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;   
import javax.servlet.ServletResponse;

public class EncodingFilter implements Filter {
	protected String encoding = "UTF-8";   
	  
    
    public void doFilter(ServletRequest request, ServletResponse response,   
            FilterChain chain) throws IOException, ServletException {           
           
        request.setCharacterEncoding(encoding);   
        response.setCharacterEncoding(encoding);   
               
        chain.doFilter(request, response);       
    }   
  
    public void init(FilterConfig filterConfig) throws ServletException {          
        this.encoding = filterConfig.getInitParameter("encoding");      
    }   
  
    public void destroy() {   
        encoding = null;   
    }   

}
